共 6 条
[3]
土壤农业化学分析方法[M]. - 中国农业科技出版社 , 鲁如坤主编, 2000
[4]
Geostatistics in soil science: state-of-the-art and perspectives[J] . P. Goovaerts.Geoderma . 1999 (1)
[5]
Potassium status of some selected soils under different land-use systems in the subhumid zone of Nigeria[J] . A. S. Tening,J. A. I. Omueti,G. Tarawali,M. A. Mohamed-Saleem.Communications in Soil Science and Plant Analysis . 1995 (5-6)
[6]
The potassium status of soils in the savanna zone of Nigeria .2 Wild A. Experimental Agriculture . 1971